Designed for bikes with 3×7 and 3×8 speeds
Compatible with Shimano, MicroSHIFT or Btwin for smooth, precise gear changes.3-speed SHIMANO ALTUS FD-M313-6 front derailleur compatible with all frame diameters.
Diameter: 34.9 mm (or 28.6mm and 31.8 mm with adapter).
Technical features:
Clamp attachment for 34.9 mm frames with 31.8 and 28.6 mm adapters.Traction pulley.185g.





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